package demo04;


/**
 * 浓缩咖啡---实际中真正的需求（不需要调料）
 * */
public class Espresso extends Beverage{
	//构造器
	public Espresso(){
		 descriPtion = "浓缩咖啡:";//descriPtion实例继承者Beverage
	}
	
	public double cost() {
		
		return 7.99;
	}

}
